348 



CRETACEOUS LAIVIETJJBRANCHIA. 



109 



n.fo'- ",?.«''','"? r""' •^'■''^- '^''- ^'''^''y I'-o^'ton^-. Goulsby. Bristol Museum. Left valve and 

 anterior view 100-102. Lower Greensand, Atherfiekl. Museum of Practical Geology, Nos. 25802 357«) 

 valve' lof O^- 7' ^"'l i!"''^'-''"- V-"- lO:!, Cmckers, Atherfield. Sa.ne museum, Xo. 25793. ' tl^^i 

 vave" °^' "l^' J'""'^'- «'-«^<^°«'i";l. Upware. Sedgvvick Museum. Interior and exterior of a feft 

 TrearhP,', rT' }^'"'-<'\^^^'-ff'^^^<i> Far.ngdon. 106, 107, Bristol Museum. Left valve. 108. Mr. 

 va've kll X ° '' "• ^"■^' ^«"-"^"'0"^ S^"d^' ShankUn. Sedgwick Museum. Kight 



